dsPIC33F/PIC24H PROGRAMMING SPECIFICATION
TABLE 3-3:
dsPIC33F/PIC24H CONFIGURATION BITS DESCRIPTION
Bit Field
Register
Description
RBS<1:0>
FBS
Boot Segment Data RAM Code Protection
11= No RAM is reserved for Boot Segment
10= Small-sized Boot RAM
[128 bytes of RAM are reserved for Boot Segment]
01= Medium-sized Boot RAM
[256 bytes of RAM are reserved for Boot Segment]
00= Large-sized Boot RAM
[1024 bytes of RAM are reserved for Boot Segment]
[Note: This bit is Reserved in dsPIC33FJ12GP201/202,
dsPIC33FJ12MC201/202 and PIC24HJ12GP201/202.]
BSS<2:0>
FBS
Boot Segment Program Memory Code Protection
111= No Boot Segment
110= Standard security, Small-sized Boot Program Flash
[Boot Segment ends at 0x0003FF in dsPIC33FJ12GP201/202,
dsPIC33FJ12MC201/202 and PIC24HJ12GP201/202.
Boot Segment ends at 0x0007FF in other all other devices.]
101= Standard security, Medium-sized Boot Program Flash
[Boot Segment ends at 0x0007FF in dsPIC33FJ12GP201/202,
dsPIC33FJ12MC201/202 and PIC24HJ12GP201/202.
Boot Segment ends at 0x001FFF in all other devices.]
100= Standard security, Large-sized Boot Program Flash
[Boot Segment ends at 0x000FFF in dsPIC33FJ12GP201/202,
dsPIC33FJ12MC201/202 and PIC24HJ12GP201/202.
Boot Segment ends at 0x003FFF in all other devices.]
011= No Boot Segment
010= High security, Small-sized Boot Program Flash
[Reserved in dsPIC33FJ12GP201/202, dsPIC33FJ12MC201/202 and
PIC24HJ12GP201/202.
Boot Segment ends at 0x0007FF in all other devices.]
001= High security, Medium-sized Boot Program Flash
[Reserved in dsPIC33FJ12GP201/202, dsPIC33FJ12MC201/202 and
PIC24HJ12GP201/202.
Boot Segment ends at 0x001FFF in all other devices.]
000= High security, Large-sized Boot Program Flash
[Reserved in dsPIC33FJ12GP201/202, dsPIC33FJ12MC201/202 and
PIC24HJ12GP201/202.
Boot Segment ends at 0x003FFF in all other devices.]
BWRP
FBS
Boot Segment Program Memory Write Protection
1= Boot Segment program memory is not write-protected
0= Boot program memory is write-protected
© 2007 Microchip Technology Inc.
Preliminary
DS70152D-page 41
MICROCHIP [ MICROCHIP ]
